Rei was at a loss as she had no prospect of paying off her late husband's debts. She asked her husband's brother, Isao, for money, but he refused. However, Isao, who was aroused by Rei's beauty and voluptuous breasts, offered to take care of her in exchange for sex! Even though she knew it was wrong, Rei enjoyed the pleasure for the first time in a long time and had an ecstatic expression on her face...